WEBVTT A STUDENT JUMPS INTO ACTION. THE SPECIAL TRAINING THAT HELPED HIM SAVE MULTIPLE LIVES. HIT HE IN THE BACK AND THAT'S WHEN EVERYTHING WENT INTO STRAIGHT CHAOS. THAT'S HOW ONE VICTIM DESCRIBED THE SCENE ONE DAY AFTER A FELLOW STUDENT WELDED TWO KNIVES STABBING 22 PEOPLE. LET'S TAKE A LOOK AT WHERE WE STAND. CLASSES WILL RESUME MONDAY. WE KNOW THE SUSPECT, 16-YEAR-OLD ALEX RIBLE IS BEING HELD OUT BAIL. HE'S BEEN FORMALLY CHARGED AS AN ADULT WITH ATTEMPTED HOMICIDE AND AGGRAVATED ASSAULT. HE STABBED 21 STUDENTS AND A SECURITY OFFICER USING TWO ORDINARY KITCHEN KNIVES. ONE OF THE VICTIMS SPEAKING TODAY. PITTSBURGH ACTION NEWS REPORTER PAUL WAS THERE AND HE BEGINS OUR LIVE TEAM COVERAGE TONIGHT. PAUL. Reporter: YESTERDAY WE ALL HEARD FROM GRACIE EVANS WHO SAID HER FRIEND BRETT HURT SAIFD HER FROM BEING ATTACKED. TODAY BRETT SAVED GRACIE SAVED HIM. 16-YEAR-OLD BRETT HURT WAS COMPOSED WHEN HE TALKED ABOUT THE MAYHEM THAT SURROUNDED HIM. WHAT WAS GOING THROUGH YOUR MIND? WHAT'S GOING THROUGH MY MIND? WILL I SURVIVE OR WILL I DIE? Reporter: HE SAID HE PUSHED HIS FRIEND OUT OF WAY AS HE HAVE BEING STABBED IN THE BACK. IT WAS ALL LIKE A BLUR. THE ONLY THING I REMEMBER IS MESSING AROUND WITH GRACIE AND BUMPING HER OUT OF WAY. Reporter: SHE PULLED HIM ASIDE AND TRIED TO CONTROL HIS BLEEDING BY PUTTING PRESSURE ON HIS BED. SHE SAVED MY LIFE. Reporter: ON WEDNESDAY SHE CAME TO THE HOSPITAL TO SEE HIM AND DID NOT WANT TO LEAVE HIS SIDE. I'VE ALREADY HUGGED HER AND KISSED HER. I'VE TOLD HER THANK YOU AND THERE'S NOTHING IN THE WORLD THAT I CAN GIVE THE GIRL. Reporter: THURSDAY AFTERNOON AFTER ANOTHER VISIT BRETT WALKED OUT OF HOSPITAL AND HEADED HOME WITH HIS MOM, SISTER AND OTHER FRIENDS. WHAT YOU GOING TO DO WHEN YOU GO HOME? SLEEP. Reporter: ONE OTHER VICTIM WAS RELEASED FROM THE HOSPITAL TODAY. AS FOR BRETT, IN JUST A FEW WEEKS HE PLANS TO GO TO PROM. NOT WITH GRACIE BUT HIS GIRLFRIEND THAT GOES TO ANOTHER SCHOOL. HE SAYS HE HOPES HE CAN DANCE. THANK YOU SO NUCH FOR THAT STORY. HOSPITAL OFFICIALS SAY TEN BOYS REMAIN HOSPITALIZED AS OF MIDDAY TODAY, INCLUDING THREE IN CRITICAL CONDITION. THE MOST SERIOUS, A 17-YEAR-OLD